Scalable Architecture Lab

2026

HPCA 2026

HDPAT: Hierarchical Distributed Page Address Translation for Wafer-Scale GPUs

Daoxuan Xu, Ying Li, Yuwei Sun, Jie Ren, Yifan Sun

HPCA 2026

QuCo: Efficient and Flexible Hardware-Driven Automatic Configuration of Tile Transfers in GPUs

Nicolas Meseguer, Daoxuan Xu, Yifan Sun, Michael Pellauer, José L. Abellán, Manuel E. Acacio

2025

CAMS 2025

DaisenBot: Human-AI Collaboration in GPU Performance Analysis with Multi-Modal AI Assistant

Enze Xu, Jeremy Coonley, Daoxuan Xu, Yifan Sun

PDF

L@S 2025

Will Your Next Pair Programming Partner Be Human? An Empirical Evaluation of Generative AI as a Collaborative Teammate in a Semester-Long Classroom Setting

Wenhan Lyu, Yimeng Wang, Yifan Sun, Yixuan Zhang

ISCA 2025

NetCrafter: Tailoring Network Traffic for Non-Uniform Bandwidth Multi-GPU Systems

Amel Fatima, Yang Yang, Yifan Sun, Rachata Ausavarungnirun, Adwait Jog

PDF

ISCA 2025

The Sparsity-Aware LazyGPU Architecture

Changxi Liu, Miao Yu, Yifan Sun, Trevor E. Carlson

PDF

ISCA 2025

TrioSim: A Lightweight Simulator for Large-Scale DNN Workloads on Multi-GPU Systems

Ying Li, Yuhui Bao, Gongyu Wang, Xinxin Mei, Pranav Vaid, Anandaroop Ghosh, Adwait Jog, Darius Bunandar, Ajay Joshi, Yifan Sun

PDF

Slides

ISPASS 2025

Luthier: A Dynamic Binary Instrumentation Framework Targeting AMD GPUs

Matin Raayai Ardakani, Andrew Nguyen, Ivan Rosales, Daoxuan Xu, Yuwei Sun, Yifan Sun, David Kaeli, Norm Rubin

GPGPU 2025

ACTA: Automatic Configuration of the Tensor Memory Accelerator for High-End GPUs.

Nicolás Meseguer, Yifan Sun, Michael Pellauer, José L. Abellán, Manuel E. Acacio

GPGPU 2025

Exploring the Wafer-Scale GPUs

Daoxuan Xu, Le Xu, Jie Ren, Yifan Sun

PDF

CEAI

Understanding the Practices, Perceptions, and (Dis)Trust of Generative AI among Instructors: A Mixed-methods Study in the U.S. Higher Education

Wenhan Lyu, Shuang Zhang, Tingting (Rachel) Chung, Yifan Sun, Yixuan Zhang

Book

Accelerated Computing with HIP, 2nd Edition

Yifan Sun, Sabila Al Jannat, Trinayan Baruah, David Kaeli

2024

MICRO 2024

Looking into the Black Box: Monitoring Computer Architecture Simulations in Real-Time with AkitaRTM

Ali Mosallaei, Katherine Isaacs, Yifan Sun

PDF

L@S 2024

Evaluating the Effectiveness of LLMs in Introductory Computer Science Education: A Semester-Long Field Study

Wenhan Lyu, Yimeng Wang, Tingting (Rachel) Chung, Yifan Sun, Yixuan Zhang

PDF

MOST 2024

Impact of Raindrops on Camera-Based Detection in Software-Defined Vehicles

Yichen Luo, Daoxuan Xu, Gang Zhou, Yifan Sun, Sidi Lu

PDF

ICNS 2024

A Survey of Artificial Intelligence Approaches to Safety and Mission-Critical Systems

Chris Thames, Yifan Sun

Supercomputing Education Series, Moscow University Press

ВЫСОКОПРОИЗВОДИТЕЛЬНЫЕ ВЫЧИСЛЕНИЯ С ПОМОЩЬЮ HIP

Ифань Сун, Тринайан Баруа, Дэвид Каэли

2023

MICRO 2023

Path Forward Beyond Simulators: Fast and Accurate GPU Execution Time Prediction for DNN Workloads

Ying Li, Yifan Sun, Adwait Jog

PDF

MICRO 2023

Photon: A Fine-grained Sampled Simulation Methodology for GPU Workloads

Changxi Liu, Yifan Sun, Trevor E. Carlson

PDF

TVCG

Visual Exploratory Analysis for Designing Large-Scale Network-on-Chip Architectures: A Domain Expert-Led Design Study

Shaoyu Wang (co-first author), Hang Yan (co-first author), Katherine E. Isaacs, Yifan Sun

PDF

CHI 2023

What Do We Mean When We Talk about Trust in Social Media? A Systematic Review

Yixuan Zhang, Joseph D Gaggiano, Nutchanon Yongsatianchot, Nurul M Suhaimi, Miso Kim, Yifan Sun, Jacqueline Griffin, and Andrea G Parker

ISPASS 2023

A Regression-based Model for End-to-End Latency Prediction for DNN Execution on GPUs

Ying Li, Yifan Sun, Adwait Jog

CAMS 2023

TraceSim: a Lightweight Simulator for Large-Scale DNN Workloads on Multi-GPU Systems

Ying Li, Yuhui Bao, Pranav Vaid, Gongyu Wang, Adwait Jog, Darius Bunandar, Ajay Joshi, Yifan Sun

IEEE VIS

Visualization Design Practices in a Crisis: Behind the Scenes with COVID-19 Dashboard Creators

Yixuan Zhang, Yifan Sun, Joseph D Gaggiano, Neha Kumar, Clio Maria Adris, and Andrea G Parker

PDF

2022

PACT 2022

NaviSim: A Highly Accurate GPU Simulator for AMD RDNA GPUs

Yuhui Bao, Yifan Sun, Zlatan Feric, Michael Tian Shen, Micah Weston, José L. Abellán, Trinayan Baruah, John Kim, Ajay Joshi, David Kaeli

PDF

CHI 2022

Shifting Trust: Examining How Trust and Distrust Emerge, Transform, and Collapse in COVID-19 Information Seeking

Yixuan Zhang, Nurul Suhaimi, Nutchanon Yongsatianchot, Joseph D Gaggiano, Miso Kim, Shivani A Patel, Yifan Sun, Stacy Marsella, Jacqueline Griffin, Andrea G Parker

PDF

Book

Accelerated Computing with HIP

Yifan Sun, Trinayan Baruah, David Kaeli

GPGPU 2022

Understanding Wafer-Scale GPU Performance using an Architectural Simulator

Chris Thames, Hang Yan, Yifan Sun

2021

EuroVis 2021

Daisen: A Framework for Visualizing Detailed GPU Execution

Yifan Sun, Yixuan Zhang, Ali Mosallaei, Michael D. Shah, Cody Dunne, David Kaeli

PDF

Video

Code

CHI 2021

Mapping the Landscape of COVID-19 Crisis Visualizations

Yixuan Zhang, Yifan Sun, Lace Padilla, Submit Barua, Enrico Bertini, Andrea G. Parker

PDF

ISPASS 2021

GNNMark: A Benchmark Suite to Characterize Graph Neural Network Training on GPUs

Trinayan Baruah, Kaustubh Shivdikar, Shi Dong, Yifan Sun, Saiful A. Mojumder, Kihoon Jung, José L. Abellán, Yash Ukidave, Ajay Joshi, John Kim, David Kaeli

PDF

US Patent

Intelligent data coordination for accelerated computing in cloud environment

Junping Zhao, Yifan Sun, Layne Peng, Jie Bao, Kun Wang

PDF

TPDS

Spartan: A Sparsity-Adaptive Framework to Accelerate Deep Neural Network Training on GPUs

Shi Dong, Yifan Sun, Nicolas Bohm Agostini, Elmira Karimi, Daniel Lowell, Jing Zhou, José Cano, José L. Abellán, David Kaeli

PDF

2020

PACT 2020

Valkyrie: Leveraging Inter-TLB Locality to Enhance GPU Performance

Trinayan Baruah, Yifan Sun, Saiful A. Mojumder, José L. Abellán, Yash Ukidave, Ajay Joshi, Norman Rubin, John Kim, David Kaeli

PDF

HPCA 2020

Griffin: Hardware-Software Support for Efficient Page Migration in Multi-GPU Systems

Trinayan Baruah, Yifan Sun, Ali Tolga Dinçer, Saiful A. Mojumder, José L. Abellán, Yash Ukidave, Ajay Joshi, Norman Rubin, John Kim, David Kaeli

PDF

PLoS one

Effects of Trust-based Decision Making in Disrupted Supply Chains

Rozhin Doroudi, Pedro Sequeira, Stacy Marsella, Ozlem Ergun, Rana Azghandi, David Kaeli, Yifan Sun, Jacqueline Griffin

PDF

Ph.D. Dissertation

Enabling Collaborative Heterogeneous Computing

Yifan Sun

arXiv

Halcone: A Hardware-Level Timestamp-based Cache Coherence Scheme for Multi-gpu Systems

Saiful A Mojumder, Yifan Sun, Leila Delshadtehrani, Yenai Ma, Trinayan Baruah, José L Abellán, John Kim, David Kaeli, Ajay Joshi

PDF

CHI 2020

Introducing Gamettes: A Playful Approach for Capturing Decision-Making for Informing Behavioral Models

Omid Mohaddesi, Yifan Sun, Rana Azghandi, Rozhin Doroudi, Sam Snodgrass, Ozlem Ergun, Jacqueline Griffin, David Kaeli, Stacy Marsella, Casper Harteveld

PDF

arXiv

MGPU-TSM: A Multi-gpu System with Truly Shared Memory

Saiful A Mojumder, Yifan Sun, Leila Delshadtehrani, Yenai Ma, Trinayan Baruah, José L Abellán, John Kim, David Kaeli, Ajay Joshi

PDF

2019

US Patent

Managing Access to a Resource Pool of Graphics Processing Units under Fine Grain Control

Yifan Sun, Layne Peng, Robert A Lincourt Jr, John Cardente, Junping Zhao

PDF

ISCA 2019

MGPUSim: Enabling Multi-GPU Performance Modeling and Optimization

Yifan Sun, Trinayan Baruah, Saiful A. Mojumder, Shi Dong, Xiang Gong, Shane Treadway, Yuhui Bao, Spencer Hance, Carter McCardwell, Vincent Zhao, Harrison Barclay, Amir Kavyan Ziabari, Zhongliang Chen, Rafael Ubal, José L. Abellán, John Kim, Ajay Joshi, David Kaeli

PDF

IPDPS 2019

Exploiting Adaptive Data Compression to Improve Performance and Energy-efficiency of Compute Workloads in Multi-GPU Systems

Mohammad Khavari Tavana, Yifan Sun, Nicolas Bohm Agostini, David Kaeli

PDF

US Patent

Checkpointing for GPU-as-a-Service in Cloud Computing Environment

Zhao Junping, Layne Peng, Jie Bao, Kun Wang, Yifan Sun

PDF

IEEE CAL

Priority-based PCIe scheduling for multi-tenant multi-GPU systems

Chen Li, Yifan Sun, Lingling Jin, Lingjie Xu, Zheng Cao, Pengfei Fan, David Kaeli, Sheng Ma, Yang Guo, Jun Yang

PDF

arXiv

Summarizing CPU and GPU Design Trends with Product Data

Yifan Sun, Nicolas Bohm Agostini, Dong Shi, David Kaeli

PDF

2018

WSC 2018

An Integrated Simulation Framework for Examining Resiliency in Pharmaceutical Supply Chains Considering Human Behaviors

Rozhin Doroudi, Rana Azghandi, Zlatan Feric, Omid Mohaddesi, Yifan Sun, Jacqueline Griffin, Ozlem Ergun, David Kaeli, Pedro Sequeira, Stacy Marsella, Casper Harteveld

PDF

US Patent

Queue-based GPU Virtualization and Management System

Yifan Sun, Layne Peng, Jr. Robert A. Lincourt, John Cardente, John S Harwood

PDF

IISWC 2018

Profiling DNN Workloads on a Volta-based DGX-1 System

Saiful A Mojumder, Marcia S Louis, Yifan Sun, Amir Kavyan Ziabari, José L Abellán, John Kim, David Kaeli, Ajay Joshi

PDF

ICPE 2018

Characterizing the Microarchitectural Implications of a Convolutional Neural Network (CNN) on GPUs

Shi Dong, Gong Xiang, Yifan Sun, Trinayan Baruah, David Kaeli

PDF

ISPASS 2018

Evaluating Performance Tradeoffs on the Radeon Open Compute Platform

Yifan Sun, Saoni Mukherjee, Trinayan Baruah, Shi Dong, Julian Gutierrez, Prannory Mohan, David Kaeli

PDF

DATE 2018

Airavat: Improving Energy Efficiency of Heterogeneous Applications

Trinayan Baruah, Yifan Sun, Shi Dong, David Kaeli, Norm Rubin

PDF

arXiv

MGSim+MGMark: A Framework for Multi-GPU System Research

Yifan Sun, Trinayan Baruah, Saiful A Mojumder, Shi Dong, Rafael Ubal, Xiang Gong, Shane Treadway, Yuhui Bao, Vincent Zhao, José L Abellán, John Kim, Ajay Joshi, David Kaeli

PDF

2017

IISWC 2017

Moka: Model-based Concurrent Kernel Analysis

Leiming Yu, Xun Gong, Yifan Sun, Qianqian Fang, Norm Rubin, David Kaeli

PDF

2016

ISPASS 2016

Comprehensive Performance Analysis of HSA and OpenCL 2.0

Amir Kavyan Ziabari, Yifan Sun, Yenai Ma, Dana Schaa, Jose L. Abellan, John Kim, Ajay Joshi, David Kaeli

PDF

IISWC 2016

Hetero-Mark, A Benchmark Suite for CPU-GPU Collaborative Computing

Yifan Sun, Xiang Gong, Amir Kavyan Ziabari, Leiming Yu, Xiangyu Li, Saoni Mukherjee, Carter McCardwell, Alejandro Vilegas, David Kaeli

PDF

Book Chapter

HSA Simulators

Shih‑Hao Hung, Thomas B. Jablin, Yifan Sun, Rafael Ubal, David Kaeli

CIG 2016

Modeling Player Decisions in a Supply Chain Game

Yifan Sun, Chisheng Liang, Steven Sutherland, Casper Harteveld, David Kaeli

PDF

TACO

UMH: A Hardware-based Unified Memory Hierarchy for Systems with Multiple Discrete GPUs

Amir Kavyan Ziabari, Yifan Sun, Yenai Ma, Dana Schaa, Jose L. Abellan, Rafael Ubal, John Kim, Ajay Joshi, David Kaeli

PDF

2015

IEEE TVT

Accessing Spectrum Databases using Interference Alignment in Vehicular Cognitive Radio Networks

Abdulla K Al-Ali, Yifan Sun, Marco Di Felice, Jarkko Paavola, Kaushik R Chowdhury

2014

IEEE Commun. Mag.

Enabling emergency communication through a cognitive radio vehicular network

Yifan Sun, Kaushik R Chowdhury

PDF

2013

WUWNet 2013

A Hybrid MAC Protocol with Channel-Dependent Optimized Scheduling for Clustered Underwater Acoustic Sensor Networks

Jithin Jagannath, Anu Saji, Hovannes Kulhandjian, Yifan Sun, Emrecan Demirors, Tommaso Melodia

WUWNet 2013

The Internet underwater: An IP-compatible protocol stack for commercial undersea modems

Yifan Sun, Tommaso Melodia

Lab News

[Sep 2025] Our paper "HDPAT: Hierarchical Distributed Page Address Translation for Wafer-Scale GPUs" has been accepted by HPCA 2026! Congrats Daoxuan and Ying!
[Sep 2025] Our paper "QuCo: Efficient and Flexible Hardware-Driven Automatic Configuration of Tile Transfers in GPUs" has been accepted by HPCA 2026! Thanks to our collaborators from NVIDIA and the University of Murcia.
[Apr 2025] Our paper "Will Your Next Pair Programming Partner Be Human? An Empirical Evaluation of Generative AI as a Collaborative Teammate in a Semester-Long Classroom Setting" has been accepted by the 12th 2025 ACM Learning @ Scale Conference (L@S 2025)! Congrats Wenhan!
[Mar 2025] Our paper "TrioSim: A Lightweight Simulator for Large-Scale DNN Workloads on Multi-GPU Systems" has been accepted by the 52nd International Symposium on Computer Architecture (ISCA 2025)! Congrats Ying!
[Mar 2025] Two other papers have been accepted by ISCA 2025: "NetCrafter: Tailoring Network Traffic for Non-Uniform Bandwidth Multi-GPU Systems" and "The Sparsity-Aware LazyGPU Architecture". Thanks to our collaborators at UVA and NUS!
[Mar 2025] Our paper "Luthier: A Dynamic Binary Instrumentation Framework Targeting AMD GPUs" has been accepted by ISPASS 2025. Daoxuan and Yuwei have been involved in this project. Thanks to our collaborators at Northeastern University!
[Mar 2025] Our paper "Exploring the Wafer-Scale GPU" has been accepted by the GPGPU 2025 workshop and Daoxuan give a presentation at the workshop. Congrats Daoxuan!
[Jan 2025] Daoxuan Xu has achieved Ph.D. candidacy. Congrats Daoxuan!
[Jul 2024] Our paper "Looking into the Black Box: Monitoring Computer Architecture Simulations in Real-Time with AkitaRTM" has been accepted by the 57th IEEE/ACM International Symposium on Microarchitecture (MICRO '24')! Congrats Ali!
[Apr 2024] Our paper "Evaluating the Effectiveness of LLMs in Introductory Computer Science Education: A Semester-Long Field Study" has been accepted by the Tenth ACM Conference on Learning @ Scale (L@S '24') !
[Mar 2024] Our First Lightweight Community Workshop on Akita and MGPUSim has been successfully organized. Thank you all for participating in the event.
[Jan 2024] Our paper "Impact of Raindrops on Camera-Based Detection in Software-Defined Vehicles" has been accepted by the 2nd IEEE International Conference on Mobility: Operations, Services, and Technologies (MOST '24') !
[Jan 2024] Sabila Al Jannat has achieved Ph.D. candidacy. Congrats!
[Nov 2023] Our paper "Visual Exploratory Analysis for Designing Large-Scale Network-on-Chip Architectures: A Domain Expert-Led Design Study" has been accepted by TVCG!
[Sep 2023] Our paper "Path Forward Beyond Simulators: Fast and Accurate GPU Execution Time Prediction for DNN Workloads" has been accepted by MICRO 2023! Congrats Ying!
[Sep 2023] Our paper "Photon: A Fine-grained Sampled Simulation Methodology for GPU Workloads" has been accepted by MICRO 2023!
[Sep 2023] Daoxuan Xu has joined our lab as a Ph.D. student. Welcome!
[Mar 2023] Our NSF CCRI Proposal Enabling Computer Architecture Simulation as a Service has been awarded! Thanks to NSF and my collaborator Kate Isaacs!
[Feb 2023] Our NSF CRII Proposal Building Explainable Architecture with Simulation and Visualization Techniques has been awarded! Thank you NSF!
[Dec 2022] Our book Accelerated Computing with HIP is published! It is available on Amazon or Barnes & Noble.
[Aug 2022] Out CHIP dataset has been highlighted by the "Data Is Plural" column of FiveThirtyEight.